/* A Bison parser, made from arithparse.y by GNU Bison version 1.25 */ #define YYBISON 1 /* Identify Bison output. */ #define T_OR 258 #define T_AND 259 #define T_EQ 260 #define T_NE 261 #define T_LE 262 #define T_GE 263 #define NEG 264 #define T_NUM 265 #define T_IDENT 266 #line 1 "arithparse.y" /* -*- c -*- */ /* * arithparse.y * * chpp * * Copyright (C) 1997-1998 Mark Probst * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include #include #include #include "error.h" #include "environment.h" #include "value.h" #include "arith.h" #define YYSTYPE arithNumber static arithNumber arithResult; static environment *arithEnv; #ifndef YYSTYPE #define YYSTYPE int #endif #include #ifndef __cplusplus #ifndef __STDC__ #define const #endif #endif #define YYFINAL 48 #define YYFLAG -32768 #define YYNTBASE 26 #define YYTRANSLATE(x) ((unsigned)(x) <= 266 ? yytranslate[x] : 29) static const char yytranslate[] = { 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 19, 2, 2, 2, 18, 7, 2, 24, 25, 16, 14, 2, 15, 2, 17, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 10, 2, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 5, 2, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 3, 4, 8, 9, 12, 13, 21, 22, 23 }; #if YYDEBUG != 0 static const short yyprhs[] = { 0, 0, 2, 6, 10, 14, 18, 22, 26, 30, 34, 38, 42, 46, 50, 54, 58, 62, 66, 69, 72, 75, 77, 79, 81 }; static const short yyrhs[] = { 27, 0, 27, 14, 27, 0, 27, 15, 27, 0, 27, 16, 27, 0, 27, 17, 27, 0, 27, 18, 27, 0, 27, 10, 27, 0, 27, 11, 27, 0, 27, 12, 27, 0, 27, 13, 27, 0, 27, 8, 27, 0, 27, 9, 27, 0, 27, 5, 27, 0, 27, 7, 27, 0, 27, 6, 27, 0, 27, 4, 27, 0, 27, 3, 27, 0, 15, 27, 0, 19, 27, 0, 20, 27, 0, 28, 0, 22, 0, 23, 0, 24, 27, 25, 0 }; #endif #if YYDEBUG != 0 static const short yyrline[] = { 0, 58, 61, 76, 91, 106, 128, 150, 156, 162, 168, 174, 180, 186, 192, 198, 204, 210, 216, 231, 237, 243, 246, 247, 272 }; #endif #if YYDEBUG != 0 || defined (YYERROR_VERBOSE) static const char * const yytname[] = { "$","error","$undefined.","T_OR","T_AND", "'|'","'^'","'&'","T_EQ","T_NE","'<'","'>'","T_LE","T_GE","'+'","'-'","'*'", "'/'","'%'","'!'","'~'","NEG","T_NUM","T_IDENT","'('","')'","start","expr","term", NULL }; #endif static const short yyr1[] = { 0, 26, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 28, 28, 28 }; static const short yyr2[] = { 0, 1, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 3 }; static const short yydefact[] = { 0, 0, 0, 0, 22, 23, 0, 1, 21, 18, 19, 20, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 24, 17, 16, 13, 15, 14, 11, 12, 7, 8, 9, 10, 2, 3, 4, 5, 6, 0, 0, 0 }; static const short yydefgoto[] = { 46, 7, 8 }; static const short yypact[] = { 117, 117, 117, 117,-32768,-32768, 117, 48,-32768,-32768,-32768, -32768, 25, 117, 117, 117, 117, 117, 117, 117, 117, 117, 117, 117, 117, 117, 117, 117, 117,-32768, 63, 77, 90, 102, 113, 132, 132, -8, -8, -8, -8, 28, 28,-32768,-32768,-32768, 3, 4,-32768 }; static const short yypgoto[] = {-32768, -1,-32768 }; #define YYLAST 150 static const short yytable[] = { 9, 10, 11, 47, 48, 12, 24, 25, 26, 27, 28, 0, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 26, 27, 28, 0, 0, 0, 29, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 1, 0, 0, 0, 2, 3, 0, 4, 5, 6, 20, 21, 22, 23, 24, 25, 26, 27, 28 }; static const short yycheck[] = { 1, 2, 3, 0, 0, 6, 14, 15, 16, 17, 18, -1, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 16, 17, 18, -1, -1, -1, 25, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 15, -1, -1, -1, 19, 20, -1, 22, 23, 24, 10, 11, 12, 13, 14, 15, 16, 17, 18 }; /* -*-C-*- Note some compilers choke on comments on `#line' lines. */ #line 3 "/usr/share/bison.simple" /* Skeleton output parser for bison, Copyright (C) 1984, 1989, 1990 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* As a special exception, when this file is copied by Bison into a Bison output file, you may use that output file without restriction. This special exception was added by the Free Software Foundation in version 1.24 of Bison. */ #ifndef alloca #ifdef __GNUC__ #define alloca __builtin_alloca #else /* not GNU C. */ #if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) || defined (__sparc) || defined (__sgi) #include #else /* not sparc */ #if defined (MSDOS) && !defined (__TURBOC__) #include #else /* not MSDOS, or __TURBOC__ */ #if defined(_AIX) #include #pragma alloca #else /* not MSDOS, __TURBOC__, or _AIX */ #ifdef __hpux #ifdef __cplusplus extern "C" { void *alloca (unsigned int); }; #else /* not __cplusplus */ void *alloca (); #endif /* not __cplusplus */ #endif /* __hpux */ #endif /* not _AIX */ #endif /* not MSDOS, or __TURBOC__ */ #endif /* not sparc. */ #endif /* not GNU C. */ #endif /* alloca not defined. */ /* This is the parser code that is written into each bison parser when the %semantic_parser declaration is not specified in the grammar. It was written by Richard Stallman by simplifying the hairy parser used when %semantic_parser is specified. */ /* Note: there must be only one dollar sign in this file. It is replaced by the list of actions, each action as one case of the switch. */ #define yyerrok (yyerrstatus = 0) #define yyclearin (yychar = YYEMPTY) #define YYEMPTY -2 #define YYEOF 0 #define YYACCEPT return(0) #define YYABORT return(1) #define YYERROR goto yyerrlab1 /* Like YYERROR except do call yyerror. This remains here temporarily to ease the transition to the new meaning of YYERROR, for GCC. Once GCC version 2 has supplanted version 1, this can go. */ #define YYFAIL goto yyerrlab #define YYRECOVERING() (!!yyerrstatus) #define YYBACKUP(token, value) \ do \ if (yychar == YYEMPTY && yylen == 1) \ { yychar = (token), yylval = (value); \ yychar1 = YYTRANSLATE (yychar); \ YYPOPSTACK; \ goto yybackup; \ } \ else \ { yyerror ("syntax error: cannot back up"); YYERROR; } \ while (0) #define YYTERROR 1 #define YYERRCODE 256 #ifndef YYPURE #define YYLEX yylex() #endif #ifdef YYPURE #ifdef YYLSP_NEEDED #ifdef YYLEX_PARAM #define YYLEX yylex(&yylval, &yylloc, YYLEX_PARAM) #else #define YYLEX yylex(&yylval, &yylloc) #endif #else /* not YYLSP_NEEDED */ #ifdef YYLEX_PARAM #define YYLEX yylex(&yylval, YYLEX_PARAM) #else #define YYLEX yylex(&yylval) #endif #endif /* not YYLSP_NEEDED */ #endif /* If nonreentrant, generate the variables here */ #ifndef YYPURE int yychar; /* the lookahead symbol */ YYSTYPE yylval; /* the semantic value of the */ /* lookahead symbol */ #ifdef YYLSP_NEEDED YYLTYPE yylloc; /* location data for the lookahead */ /* symbol */ #endif int yynerrs; /* number of parse errors so far */ #endif /* not YYPURE */ #if YYDEBUG != 0 int yydebug; /* nonzero means print parse trace */ /* Since this is uninitialized, it does not stop multiple parsers from coexisting. */ #endif /* YYINITDEPTH indicates the initial size of the parser's stacks */ #ifndef YYINITDEPTH #define YYINITDEPTH 200 #endif /* YYMAXDEPTH is the maximum size the stacks can grow to (effective only if the built-in stack extension method is used). */ #if YYMAXDEPTH == 0 #undef YYMAXDEPTH #endif #ifndef YYMAXDEPTH #define YYMAXDEPTH 10000 #endif #ifndef YYPARSE_RETURN_TYPE #define YYPARSE_RETURN_TYPE int #endif /* Prevent warning if -Wstrict-prototypes. */ #ifdef __GNUC__ YYPARSE_RETURN_TYPE yyparse (void); #endif #if __GNUC__ > 1 /* GNU C and GNU C++ define this. */ #define __yy_memcpy(TO,FROM,COUNT) __builtin_memcpy(TO,FROM,COUNT) #else /* not GNU C or C++ */ #ifndef __cplusplus /* This is the most reliable way to avoid incompatibilities in available built-in functions on various systems. */ static void __yy_memcpy (to, from, count) char *to; char *from; int count; { register char *f = from; register char *t = to; register int i = count; while (i-- > 0) *t++ = *f++; } #else /* __cplusplus */ /* This is the most reliable way to avoid incompatibilities in available built-in functions on various systems. */ static void __yy_memcpy (char *to, char *from, int count) { register char *f = from; register char *t = to; register int i = count; while (i-- > 0) *t++ = *f++; } #endif #endif #line 196 "/usr/share/bison.simple" /* The user can define YYPARSE_PARAM as the name of an argument to be passed into yyparse. The argument should have type void *. It should actually point to an object. Grammar actions can access the variable by casting it to the proper pointer type. */ #ifdef YYPARSE_PARAM #ifdef __cplusplus #define YYPARSE_PARAM_ARG void *YYPARSE_PARAM #define YYPARSE_PARAM_DECL #else /* not __cplusplus */ #define YYPARSE_PARAM_ARG YYPARSE_PARAM #define YYPARSE_PARAM_DECL void *YYPARSE_PARAM; #endif /* not __cplusplus */ #else /* not YYPARSE_PARAM */ #define YYPARSE_PARAM_ARG #define YYPARSE_PARAM_DECL #endif /* not YYPARSE_PARAM */ YYPARSE_RETURN_TYPE yyparse(YYPARSE_PARAM_ARG) YYPARSE_PARAM_DECL { register int yystate; register int yyn; register short *yyssp; register YYSTYPE *yyvsp; int yyerrstatus; /* number of tokens to shift before error messages enabled */ int yychar1 = 0; /* lookahead token as an internal (translated) token number */ short yyssa[YYINITDEPTH]; /* the state stack */ YYSTYPE yyvsa[YYINITDEPTH]; /* the semantic value stack */ short *yyss = yyssa; /* refer to the stacks thru separate pointers */ YYSTYPE *yyvs = yyvsa; /* to allow yyoverflow to reallocate them elsewhere */ #ifdef YYLSP_NEEDED YYLTYPE yylsa[YYINITDEPTH]; /* the location stack */ YYLTYPE *yyls = yylsa; YYLTYPE *yylsp; #define YYPOPSTACK (yyvsp--, yyssp--, yylsp--) #else #define YYPOPSTACK (yyvsp--, yyssp--) #endif int yystacksize = YYINITDEPTH; #ifdef YYPURE int yychar; YYSTYPE yylval; int yynerrs; #ifdef YYLSP_NEEDED YYLTYPE yylloc; #endif #endif YYSTYPE yyval; /* the variable used to return */ /* semantic values from the action */ /* routines */ int yylen; #if YYDEBUG != 0 if (yydebug) fprintf(stderr, "Starting parse\n"); #endif yystate = 0; yyerrstatus = 0; yynerrs = 0; yychar = YYEMPTY; /* Cause a token to be read. */ /* Initialize stack pointers. Waste one element of value and location stack so that they stay on the same level as the state stack. The wasted elements are never initialized. */ yyssp = yyss - 1; yyvsp = yyvs; #ifdef YYLSP_NEEDED yylsp = yyls; #endif /* Push a new state, which is found in yystate . */ /* In all cases, when you get here, the value and location stacks have just been pushed. so pushing a state here evens the stacks. */ yynewstate: *++yyssp = yystate; if (yyssp >= yyss + yystacksize - 1) { /* Give user a chance to reallocate the stack */ /* Use copies of these so that the &'s don't force the real ones into memory. */ YYSTYPE *yyvs1 = yyvs; short *yyss1 = yyss; #ifdef YYLSP_NEEDED YYLTYPE *yyls1 = yyls; #endif /* Get the current used size of the three stacks, in elements. */ int size = yyssp - yyss + 1; #ifdef yyoverflow /* Each stack pointer address is followed by the size of the data in use in that stack, in bytes. */ #ifdef YYLSP_NEEDED /* This used to be a conditional around just the two extra args, but that might be undefined if yyoverflow is a macro. */ yyoverflow("parser stack overflow", &yyss1, size * sizeof (*yyssp), &yyvs1, size * sizeof (*yyvsp), &yyls1, size * sizeof (*yylsp), &yystacksize); #else yyoverflow("parser stack overflow", &yyss1, size * sizeof (*yyssp), &yyvs1, size * sizeof (*yyvsp), &yystacksize); #endif yyss = yyss1; yyvs = yyvs1; #ifdef YYLSP_NEEDED yyls = yyls1; #endif #else /* no yyoverflow */ /* Extend the stack our own way. */ if (yystacksize >= YYMAXDEPTH) { yyerror("parser stack overflow"); return 2; } yystacksize *= 2; if (yystacksize > YYMAXDEPTH) yystacksize = YYMAXDEPTH; yyss = (short *) alloca (yystacksize * sizeof (*yyssp)); __yy_memcpy ((char *)yyss, (char *)yyss1, size * sizeof (*yyssp)); yyvs = (YYSTYPE *) alloca (yystacksize * sizeof (*yyvsp)); __yy_memcpy ((char *)yyvs, (char *)yyvs1, size * sizeof (*yyvsp)); #ifdef YYLSP_NEEDED yyls = (YYLTYPE *) alloca (yystacksize * sizeof (*yylsp)); __yy_memcpy ((char *)yyls, (char *)yyls1, size * sizeof (*yylsp)); #endif #endif /* no yyoverflow */ yyssp = yyss + size - 1; yyvsp = yyvs + size - 1; #ifdef YYLSP_NEEDED yylsp = yyls + size - 1; #endif #if YYDEBUG != 0 if (yydebug) fprintf(stderr, "Stack size increased to %d\n", yystacksize); #endif if (yyssp >= yyss + yystacksize - 1) YYABORT; } #if YYDEBUG != 0 if (yydebug) fprintf(stderr, "Entering state %d\n", yystate); #endif goto yybackup; yybackup: /* Do appropriate processing given the current state. */ /* Read a lookahead token if we need one and don't already have one. */ /* yyresume: */ /* First try to decide what to do without reference to lookahead token. */ yyn = yypact[yystate]; if (yyn == YYFLAG) goto yydefault; /* Not known => get a lookahead token if don't already have one. */ /* yychar is either YYEMPTY or YYEOF or a valid token in external form. */ if (yychar == YYEMPTY) { #if YYDEBUG != 0 if (yydebug) fprintf(stderr, "Reading a token: "); #endif yychar = YYLEX; } /* Convert token to internal form (in yychar1) for indexing tables with */ if (yychar <= 0) /* This means end of input. */ { yychar1 = 0; yychar = YYEOF; /* Don't call YYLEX any more */ #if YYDEBUG != 0 if (yydebug) fprintf(stderr, "Now at end of input.\n"); #endif } else { yychar1 = YYTRANSLATE(yychar); #if YYDEBUG != 0 if (yydebug) { fprintf (stderr, "Next token is %d (%s", yychar, yytname[yychar1]); /* Give the individual parser a way to print the precise meaning of a token, for further debugging info. */ #ifdef YYPRINT YYPRINT (stderr, yychar, yylval); #endif fprintf (stderr, ")\n"); } #endif } yyn += yychar1; if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != yychar1) goto yydefault; yyn = yytable[yyn]; /* yyn is what to do for this token type in this state. Negative => reduce, -yyn is rule number. Positive => shift, yyn is new state. New state is final state => don't bother to shift, just return success. 0, or most negative number => error. */ if (yyn < 0) { if (yyn == YYFLAG) goto yyerrlab; yyn = -yyn; goto yyreduce; } else if (yyn == 0) goto yyerrlab; if (yyn == YYFINAL) YYACCEPT; /* Shift the lookahead token. */ #if YYDEBUG != 0 if (yydebug) fprintf(stderr, "Shifting token %d (%s), ", yychar, yytname[yychar1]); #endif /* Discard the token being shifted unless it is eof. */ if (yychar != YYEOF) yychar = YYEMPTY; *++yyvsp = yylval; #ifdef YYLSP_NEEDED *++yylsp = yylloc; #endif /* count tokens shifted since error; after three, turn off error status. */ if (yyerrstatus) yyerrstatus--; yystate = yyn; goto yynewstate; /* Do the default action for the current state. */ yydefault: yyn = yydefact[yystate]; if (yyn == 0) goto yyerrlab; /* Do a reduction. yyn is the number of a rule to reduce with. */ yyreduce: yylen = yyr2[yyn]; if (yylen > 0) yyval = yyvsp[1-yylen]; /* implement default value of the action */ #if YYDEBUG != 0 if (yydebug) { int i; fprintf (stderr, "Reducing via rule %d (line %d), ", yyn, yyrline[yyn]); /* Print the symbols being reduced, and their result. */ for (i = yyprhs[yyn]; yyrhs[i] > 0; i++) fprintf (stderr, "%s ", yytname[yyrhs[i]]); fprintf (stderr, " -> %s\n", yytname[yyr1[yyn]]); } #endif switch (yyn) { case 1: #line 58 "arithparse.y" { arithResult = yyvsp[0]; ; break;} case 2: #line 62 "arithparse.y" { if (yyvsp[-2].type == NUMBER_INT && yyvsp[0].type == NUMBER_INT) { yyval.type = NUMBER_INT; yyval.val.intVal = yyvsp[-2].val.intVal + yyvsp[0].val.intVal; yyval.val.doubleVal = yyval.val.intVal; } else { yyval.type = NUMBER_DOUBLE; yyval.val.doubleVal = yyvsp[-2].val.doubleVal + yyvsp[0].val.doubleVal; yyval.val.intVal = yyval.val.doubleVal; } ; break;} case 3: #line 77 "arithparse.y" { if (yyvsp[-2].type == NUMBER_INT && yyvsp[0].type == NUMBER_INT) { yyval.type = NUMBER_INT; yyval.val.intVal = yyvsp[-2].val.intVal - yyvsp[0].val.intVal; yyval.val.doubleVal = yyval.val.intVal; } else { yyval.type = NUMBER_DOUBLE; yyval.val.doubleVal = yyvsp[-2].val.doubleVal - yyvsp[0].val.doubleVal; yyval.val.intVal = yyval.val.doubleVal; } ; break;} case 4: #line 92 "arithparse.y" { if (yyvsp[-2].type == NUMBER_INT && yyvsp[0].type == NUMBER_INT) { yyval.type = NUMBER_INT; yyval.val.intVal = yyvsp[-2].val.intVal * yyvsp[0].val.intVal; yyval.val.doubleVal = yyval.val.intVal; } else { yyval.type = NUMBER_DOUBLE; yyval.val.doubleVal = yyvsp[-2].val.doubleVal * yyvsp[0].val.doubleVal; yyval.val.intVal = yyval.val.doubleVal; } ; break;} case 5: #line 107 "arithparse.y" { if (yyvsp[0].val.doubleVal == 0.0) { issueError(ERRMAC_ZERODIV, 0, 0, 0); yyval.type = NUMBER_INT; yyval.val.intVal = 0; yyval.val.doubleVal = 0.0; } else if (yyvsp[-2].type == NUMBER_INT && yyvsp[0].type == NUMBER_INT) { yyval.type = NUMBER_INT; yyval.val.intVal = yyvsp[-2].val.intVal / yyvsp[0].val.intVal; yyval.val.doubleVal = yyval.val.intVal; } else { yyval.type = NUMBER_DOUBLE; yyval.val.doubleVal = yyvsp[-2].val.doubleVal / yyvsp[0].val.doubleVal; yyval.val.intVal = yyval.val.doubleVal; } ; break;} case 6: #line 129 "arithparse.y" { if (yyvsp[0].val.doubleVal == 0.0) { issueError(ERRMAC_ZERODIV, 0, 0, 0); yyval.type = NUMBER_INT; yyval.val.intVal = 0; yyval.val.doubleVal = 0.0; } else if (yyvsp[-2].type == NUMBER_INT && yyvsp[0].type == NUMBER_INT) { yyval.type = NUMBER_INT; yyval.val.intVal = yyvsp[-2].val.intVal % yyvsp[0].val.intVal; yyval.val.doubleVal = yyval.val.intVal; } else { yyval.type = NUMBER_DOUBLE; yyval.val.doubleVal = fmod(yyvsp[-2].val.doubleVal, yyvsp[0].val.doubleVal); yyval.val.intVal = yyval.val.doubleVal; } ; break;} case 7: #line 151 "arithparse.y" { yyval.type = NUMBER_INT; yyval.val.intVal = yyvsp[-2].val.doubleVal < yyvsp[0].val.doubleVal; yyval.val.doubleVal = yyval.val.intVal; ; break;} case 8: #line 157 "arithparse.y" { yyval.type = NUMBER_INT; yyval.val.intVal = yyvsp[-2].val.doubleVal > yyvsp[0].val.doubleVal; yyval.val.doubleVal = yyval.val.intVal; ; break;} case 9: #line 163 "arithparse.y" { yyval.type = NUMBER_INT; yyval.val.intVal = yyvsp[-2].val.doubleVal <= yyvsp[0].val.doubleVal; yyval.val.doubleVal = yyval.val.intVal; ; break;} case 10: #line 169 "arithparse.y" { yyval.type = NUMBER_INT; yyval.val.intVal = yyvsp[-2].val.doubleVal >= yyvsp[0].val.doubleVal; yyval.val.doubleVal = yyval.val.intVal; ; break;} case 11: #line 175 "arithparse.y" { yyval.type = NUMBER_INT; yyval.val.intVal = yyvsp[-2].val.doubleVal == yyvsp[0].val.doubleVal; yyval.val.doubleVal = yyval.val.intVal; ; break;} case 12: #line 181 "arithparse.y" { yyval.type = NUMBER_INT; yyval.val.intVal = yyvsp[-2].val.doubleVal != yyvsp[0].val.doubleVal; yyval.val.doubleVal = yyval.val.intVal; ; break;} case 13: #line 187 "arithparse.y" { yyval.type = NUMBER_INT; yyval.val.intVal = yyvsp[-2].val.intVal | yyvsp[0].val.intVal; yyval.val.doubleVal = yyval.val.intVal; ; break;} case 14: #line 193 "arithparse.y" { yyval.type = NUMBER_INT; yyval.val.intVal = yyvsp[-2].val.intVal & yyvsp[0].val.intVal; yyval.val.doubleVal = yyval.val.intVal; ; break;} case 15: #line 199 "arithparse.y" { yyval.type = NUMBER_INT; yyval.val.intVal = yyvsp[-2].val.intVal ^ yyvsp[0].val.intVal; yyval.val.doubleVal = yyval.val.intVal; ; break;} case 16: #line 205 "arithparse.y" { yyval.type = NUMBER_INT; yyval.val.intVal = yyvsp[-2].val.doubleVal != 0.0 && yyvsp[0].val.doubleVal != 0; yyval.val.doubleVal = yyval.val.intVal; ; break;} case 17: #line 211 "arithparse.y" { yyval.type = NUMBER_INT; yyval.val.intVal = yyvsp[-2].val.doubleVal != 0.0 || yyvsp[0].val.doubleVal != 0; yyval.val.doubleVal = yyval.val.intVal; ; break;} case 18: #line 217 "arithparse.y" { if (yyvsp[0].type == NUMBER_INT) { yyval.type = NUMBER_INT; yyval.val.intVal = -yyvsp[0].val.intVal; yyval.val.doubleVal = yyval.val.intVal; } else { yyval.type = NUMBER_DOUBLE; yyval.val.doubleVal = -yyvsp[0].val.doubleVal; yyval.val.intVal = yyval.val.doubleVal; } ; break;} case 19: #line 232 "arithparse.y" { yyval.type = NUMBER_INT; yyval.val.intVal = yyvsp[0].val.doubleVal == 0.0; yyval.val.doubleVal = yyval.val.intVal; ; break;} case 20: #line 238 "arithparse.y" { yyval.type = NUMBER_INT; yyval.val.intVal = ~yyvsp[0].val.intVal; yyval.val.doubleVal = yyval.val.intVal; ; break;} case 21: #line 243 "arithparse.y" { yyval = yyvsp[0]; ; break;} case 22: #line 246 "arithparse.y" { yyval = yyvsp[0]; ; break;} case 23: #line 248 "arithparse.y" { value *theValue = envGetValueForBinding(arithEnv, &yyvsp[0].val.stringVal); if (theValue == 0) { issueError(ERRMAC_UNBOUND_VARIABLE, yyvsp[0].val.stringVal.data); YYABORT; } theValue = valueNewScalarFromValue(theValue); if (strchr(theValue->v.scalar.scalar.data, '.')) { yyval.type = NUMBER_DOUBLE; yyval.val.doubleVal = atof(theValue->v.scalar.scalar.data); yyval.val.intVal = yyval.val.doubleVal; } else { yyval.type = NUMBER_INT; yyval.val.intVal = atoi(theValue->v.scalar.scalar.data); yyval.val.doubleVal = yyval.val.intVal; } ; break;} case 24: #line 272 "arithparse.y" { yyval = yyvsp[-1]; ; break;} } /* the action file gets copied in in place of this dollarsign */ #line 498 "/usr/share/bison.simple" yyvsp -= yylen; yyssp -= yylen; #ifdef YYLSP_NEEDED yylsp -= yylen; #endif #if YYDEBUG != 0 if (yydebug) { short *ssp1 = yyss - 1; fprintf (stderr, "state stack now"); while (ssp1 != yyssp) fprintf (stderr, " %d", *++ssp1); fprintf (stderr, "\n"); } #endif *++yyvsp = yyval; #ifdef YYLSP_NEEDED yylsp++; if (yylen == 0) { yylsp->first_line = yylloc.first_line; yylsp->first_column = yylloc.first_column; yylsp->last_line = (yylsp-1)->last_line; yylsp->last_column = (yylsp-1)->last_column; yylsp->text = 0; } else { yylsp->last_line = (yylsp+yylen-1)->last_line; yylsp->last_column = (yylsp+yylen-1)->last_column; } #endif /* Now "shift" the result of the reduction. Determine what state that goes to, based on the state we popped back to and the rule number reduced by. */ yyn = yyr1[yyn]; yystate = yypgoto[yyn - YYNTBASE] + *yyssp; if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp) yystate = yytable[yystate]; else yystate = yydefgoto[yyn - YYNTBASE]; goto yynewstate; yyerrlab: /* here on detecting error */ if (! yyerrstatus) /* If not already recovering from an error, report this error. */ { ++yynerrs; #ifdef YYERROR_VERBOSE yyn = yypact[yystate]; if (yyn > YYFLAG && yyn < YYLAST) { int size = 0; char *msg; int x, count; count = 0; /* Start X at -yyn if nec to avoid negative indexes in yycheck. */ for (x = (yyn < 0 ? -yyn : 0); x < (sizeof(yytname) / sizeof(char *)); x++) if (yycheck[x + yyn] == x) size += strlen(yytname[x]) + 15, count++; msg = (char *) malloc(size + 15); if (msg != 0) { strcpy(msg, "parse error"); if (count < 5) { count = 0; for (x = (yyn < 0 ? -yyn : 0); x < (sizeof(yytname) / sizeof(char *)); x++) if (yycheck[x + yyn] == x) { strcat(msg, count == 0 ? ", expecting `" : " or `"); strcat(msg, yytname[x]); strcat(msg, "'"); count++; } } yyerror(msg); free(msg); } else yyerror ("parse error; also virtual memory exceeded"); } else #endif /* YYERROR_VERBOSE */ yyerror("parse error"); } goto yyerrlab1; yyerrlab1: /* here on error raised explicitly by an action */ if (yyerrstatus == 3) { /* if just tried and failed to reuse lookahead token after an error, discard it. */ /* return failure if at end of input */ if (yychar == YYEOF) YYABORT; #if YYDEBUG != 0 if (yydebug) fprintf(stderr, "Discarding token %d (%s).\n", yychar, yytname[yychar1]); #endif yychar = YYEMPTY; } /* Else will try to reuse lookahead token after shifting the error token. */ yyerrstatus = 3; /* Each real token shifted decrements this */ goto yyerrhandle; yyerrdefault: /* current state does not do anything special for the error token. */ #if 0 /* This is wrong; only states that explicitly want error tokens should shift them. */ yyn = yydefact[yystate]; /* If its default is to accept any token, ok. Otherwise pop it.*/ if (yyn) goto yydefault; #endif yyerrpop: /* pop the current state because it cannot handle the error token */ if (yyssp == yyss) YYABORT; yyvsp--; yystate = *--yyssp; #ifdef YYLSP_NEEDED yylsp--; #endif #if YYDEBUG != 0 if (yydebug) { short *ssp1 = yyss - 1; fprintf (stderr, "Error: state stack now"); while (ssp1 != yyssp) fprintf (stderr, " %d", *++ssp1); fprintf (stderr, "\n"); } #endif yyerrhandle: yyn = yypact[yystate]; if (yyn == YYFLAG) goto yyerrdefault; yyn += YYTERROR; if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != YYTERROR) goto yyerrdefault; yyn = yytable[yyn]; if (yyn < 0) { if (yyn == YYFLAG) goto yyerrpop; yyn = -yyn; goto yyreduce; } else if (yyn == 0) goto yyerrpop; if (yyn == YYFINAL) YYACCEPT; #if YYDEBUG != 0 if (yydebug) fprintf(stderr, "Shifting error token, "); #endif *++yyvsp = yylval; #ifdef YYLSP_NEEDED *++yylsp = yylloc; #endif yystate = yyn; goto yynewstate; } #line 275 "arithparse.y" int yyerror (char *s) { return 0; } dynstring arithEvalDS (dynstring *dsExpr, environment *env) { static char number[64]; dynstring ds; /* fprintf(stderr, "evaling '%s'\n", dsExpr->data);*/ arithScanFromDS(dsExpr); arithEnv = env; if (yyparse() == 0) { if (arithResult.type == NUMBER_INT) sprintf(number, "%d", arithResult.val.intVal); else sprintf(number, "%f", arithResult.val.doubleVal); ds = dsNewFrom(number); } else { issueError(ERRMAC_ARITH_SYNTAX, dsExpr->data, 0, 0); ds = dsNew(); } arithEnv = 0; arithEndScanning(); return ds; }